{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "all",
    "label": "持家"
  },
  "unit": {
    "price_per_tsubo": "万円/坪",
    "price_per_sqm": "円/㎡",
    "cost": "万円",
    "floor": "㎡",
    "yoy": "%"
  },
  "formula": "price_per_tsubo = cost_total / floor_total * 3.30579",
  "formula_real": "price_per_tsubo_real = price_per_tsubo / deflator * 100 (MLIT construction cost deflator for housing of the same structure, FY2020 = 100)",
  "source": "https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00600120&tstat=000001016966&cycle=8",
  "last_verified_at": "2026-10-13T11:03:37.415Z",
  "provisional": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 432,
    "price_per_tsubo": 120.05863474276076,
    "prev_price_per_tsubo": 116.13307964370172,
    "change_vs_prev": 3.380221303958095,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 2656,
      "floor_total": 344345,
      "cost_total": 8019555,
      "price_per_tsubo": 76.98954456562458,
      "price_per_sqm": 232893.02879379693,
      "cost_per_unit": 3019.410768072289,
      "floor_per_unit": 129.64796686746988,
      "yoy": null,
      "ratio_national": 1.0324408622489067,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 87.68740838909406,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 2603,
      "floor_total": 341825,
      "cost_total": 8249742,
      "price_per_tsubo": 79.7832651391209,
      "price_per_sqm": 241344.02106340963,
      "cost_per_unit": 3169.3207837111026,
      "floor_per_unit": 131.31963119477527,
      "yoy": 3.628701259708067,
      "ratio_national": 1.0466056265259704,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 88.35356050843953,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 2044,
      "floor_total": 265830,
      "cost_total": 6640607,
      "price_per_tsubo": 82.58079304265885,
      "price_per_sqm": 249806.53048941054,
      "cost_per_unit": 3248.8292563600785,
      "floor_per_unit": 130.05381604696674,
      "yoy": 3.5064093938243834,
      "ratio_national": 1.0422985806679064,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 88.22734299429365,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1969,
      "floor_total": 256163,
      "cost_total": 6551264,
      "price_per_tsubo": 84.54422777122379,
      "price_per_sqm": 255745.9117827321,
      "cost_per_unit": 3327.203656678517,
      "floor_per_unit": 130.0980192991366,
      "yoy": 2.377592483945601,
      "ratio_national": 1.0446253931234426,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 90.5184451512032,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2064,
      "floor_total": 266967,
      "cost_total": 6918012,
      "price_per_tsubo": 85.66412661295216,
      "price_per_sqm": 259133.60078211915,
      "cost_per_unit": 3351.75,
      "floor_per_unit": 129.34447674418604,
      "yoy": 1.324630753927769,
      "ratio_national": 1.0369269434702089,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 91.71748031365327,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1880,
      "floor_total": 238848,
      "cost_total": 6339079,
      "price_per_tsubo": 87.73640125690817,
      "price_per_sqm": 265402.22233386926,
      "cost_per_unit": 3371.8505319148935,
      "floor_per_unit": 127.0468085106383,
      "yoy": 2.419069365311999,
      "ratio_national": 1.0368108880221467,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 92.16008535389513,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1993,
      "floor_total": 255960,
      "cost_total": 6960813,
      "price_per_tsubo": 89.90071107700422,
      "price_per_sqm": 271949.24988279416,
      "cost_per_unit": 3492.6307074761667,
      "floor_per_unit": 128.42950326141496,
      "yoy": 2.466832225952098,
      "ratio_national": 1.0381297809595746,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 91.64190731600839,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1760,
      "floor_total": 225723,
      "cost_total": 6322795,
      "price_per_tsubo": 92.5994802614266,
      "price_per_sqm": 280113.0146241189,
      "cost_per_unit": 3592.497159090909,
      "floor_per_unit": 128.25170454545454,
      "yoy": 3.0019442027669374,
      "ratio_national": 1.0320828812958112,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 92.4146509595076,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1666,
      "floor_total": 211170,
      "cost_total": 5831556,
      "price_per_tsubo": 91.29090073987783,
      "price_per_sqm": 276154.5674101435,
      "cost_per_unit": 3500.333733493397,
      "floor_per_unit": 126.75270108043217,
      "yoy": -1.4131607627325793,
      "ratio_national": 0.9907135860299519,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 91.29090073987783,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1825,
      "floor_total": 234391,
      "cost_total": 6674338,
      "price_per_tsubo": 94.1331357305528,
      "price_per_sqm": 284752.3155752567,
      "cost_per_unit": 3657.171506849315,
      "floor_per_unit": 128.43342465753426,
      "yoy": 3.113382568952372,
      "ratio_national": 0.9907900358995254,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 86.91886955729713,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1583,
      "floor_total": 206227,
      "cost_total": 6239082,
      "price_per_tsubo": 100.01161285757927,
      "price_per_sqm": 302534.6826555204,
      "cost_per_unit": 3941.3025900189514,
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      "ratio_national": 0.9874102066111001,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 85.92062960273132,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1262,
      "floor_total": 161310,
      "cost_total": 5276532,
      "price_per_tsubo": 108.13406930928026,
      "price_per_sqm": 327105.07718058396,
      "cost_per_unit": 4181.087163232964,
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      "ratio_national": 0.9875113135809631,
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      "is_spliced": false,
      "price_per_tsubo_real": 92.4222814609233,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1188,
      "floor_total": 151373,
      "cost_total": 5107760,
      "price_per_tsubo": 111.54685399906192,
      "price_per_sqm": 337428.73563977727,
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      "deflator": 121.4,
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    {
      "fiscal_year": 2025,
      "units": 1004,
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    }
  ]
}